Other Intangibles - Summary of Other Intangibles Acquired (Detail) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Finite lived intangible assets	$ 1,665,171	$ 1,397,771
Less accumulated amortization	(1,115,113)	(862,189)
Finite lived intangible assets net	550,058	535,582
Advertiser Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite lived intangible assets	1,355,879	1,355,879
Advertiser Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Finite lived intangible assets	16,251	16,251
Sports Program Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite lived intangible assets	267,400
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite lived intangible assets	$ 25,641	$ 25,641

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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